Use consistent spelling for nans (thanks Georg for noticing).
diff --git a/Doc/library/math.rst b/Doc/library/math.rst
index 13b85bf..2c6e51c 100644
--- a/Doc/library/math.rst
+++ b/Doc/library/math.rst
@@ -381,9 +381,9 @@
are some exceptions to this rule, for example ``pow(float('nan'), 0.0)`` or
``hypot(float('nan'), float('inf'))``.
- Note that Python makes no effort to distinguish signaling nans from
- quiet nans, and behavior for signaling nans remains unspecified.
- Typical behavior is to treat all nans as though they were quiet.
+ Note that Python makes no effort to distinguish signaling NaNs from
+ quiet NaNs, and behavior for signaling NaNs remains unspecified.
+ Typical behavior is to treat all NaNs as though they were quiet.
.. versionchanged:: 2.6
Behavior in special cases now aims to follow C99 Annex F. In earlier